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college algebra

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An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula:

N = 2,500 + 400 ln a (a ¡Ý 1)
How many units are sold after spending $1,000? (Round your answer to the nearest whole number.)

  • college algebra -

    you have the formula. Plug in 1000 for a and evaluate.

  • college algebra -

    Graph f(x)= 1/2 ^(x+3) -2

  • college algebra -

    An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula:
    N = 6,500 + 200 ln a (a ¡Ý 1)
    How many units are sold after spending $1,000? (Round your answer to the nearest whole number.)

  • college algebra -

    N = 2,500+200 In a
    N = 25,00+200*In 1000
    N = 2,500+1381.6
    N= 3881.6

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